head

Output the first part of files, prints the first part (10 lines
by default) of each file.

SYNTAX
head [options]... [file]...
Options:
-NUMBER
Return the first NUMBER of lines from the file. (must be the first option specified)
-CountOptions

This option is only recognized if it is specified first. Count is
a decimal number optionally followed by a size letter ('b', 'k',
'm' for bytes, Kilobytes or Megabytes) , or 'l' to mean count by lines, or other option
letters ('cqv').